+++ /dev/null
---- a/fs/yaffs2/yaffs_vfs_glue.c
-+++ b/fs/yaffs2/yaffs_vfs_glue.c
-@@ -393,6 +393,84 @@ static void yaffs_touch_super(yaffs_dev_
- static int yaffs_vfs_setattr(struct inode *, struct iattr *);
-
-
-+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 6, 0))
-+
-+#define yaffs_super_to_dev(sb) ((struct yaffs_dev_s *)sb->s_fs_info)
-+
-+static inline struct yaffs_LinuxContext *
-+yaffs_sb_to_ylc(struct super_block *sb)
-+{
-+ struct yaffs_dev_s *ydev;
-+ struct yaffs_LinuxContext *ylc;
-+
-+ ydev = yaffs_super_to_dev(sb);
-+ ylc = yaffs_dev_to_lc(ydev);
-+ return ylc;
-+}
-+
-+static inline struct super_block *yaffs_work_to_sb(struct work_struct *work)
-+{
-+ struct delayed_work *dwork;
-+ struct yaffs_LinuxContext *ylc;
-+
-+ dwork = container_of(work, struct delayed_work, work);
-+ ylc = container_of(dwork, struct yaffs_LinuxContext, sb_sync_dwork);
-+ return ylc->superBlock;
-+}
-+
-+static void yaffs_sb_sync_dwork_func(struct work_struct *work)
-+{
-+ struct super_block *sb = yaffs_work_to_sb(work);
-+
-+ yaffs_write_super(sb);
-+}
-+
-+static void yaffs_init_sb_sync_dwork(struct yaffs_LinuxContext *ylc)
-+{
-+ INIT_DELAYED_WORK(&ylc->sb_sync_dwork, yaffs_sb_sync_dwork_func);
-+}
-+
-+static void yaffs_cancel_sb_sync_dwork(struct super_block *sb)
-+{
-+ struct yaffs_LinuxContext *ylc = yaffs_sb_to_ylc(sb);
-+
-+ cancel_delayed_work_sync(&ylc->sb_sync_dwork);
-+}
-+
-+static inline bool yaffs_sb_is_dirty(struct super_block *sb)
-+{
-+ struct yaffs_LinuxContext *ylc = yaffs_sb_to_ylc(sb);
-+
-+ return !!ylc->sb_dirty;
-+}
-+
-+static inline void yaffs_sb_set_dirty(struct super_block *sb, int dirty)
-+{
-+ struct yaffs_LinuxContext *ylc = yaffs_sb_to_ylc(sb);
-+
-+ if (ylc->sb_dirty == dirty)
-+ return;
-+
-+ ylc->sb_dirty = dirty;
-+ if (dirty)
-+ queue_delayed_work(system_long_wq, &ylc->sb_sync_dwork,
-+ msecs_to_jiffies(5000));
-+}
-+#else
-+static inline bool yaffs_sb_is_dirty(struct super_block *sb)
-+{
-+ return !!sb->s_dirt;
-+}
-+
-+static inline void yaffs_sb_set_dirty(struct super_block *sb, int dirty)
-+{
-+ sb->s_dirt = dirty;
-+}
-+
-+static inline void yaffs_init_sb_sync_dwork(struct yaffs_LinuxContext *ylc) {}
-+static inline void yaffs_cancel_sb_sync_dwork(struct super_block *sb) {}
-+#endif /* >= 3.6.0 */
-+
- static struct address_space_operations yaffs_file_address_operations = {
- .readpage = yaffs_readpage,
- .writepage = yaffs_writepage,
-@@ -553,7 +631,9 @@ static const struct super_operations yaf
- .clear_inode = yaffs_clear_inode,
- #endif
- .sync_fs = yaffs_sync_fs,
-+#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 6, 0))
- .write_super = yaffs_write_super,
-+#endif
- };
-
-
-@@ -2340,7 +2420,7 @@ static int yaffs_do_sync_fs(struct super
- T(YAFFS_TRACE_OS | YAFFS_TRACE_SYNC | YAFFS_TRACE_BACKGROUND,
- (TSTR("yaffs_do_sync_fs: gc-urgency %d %s %s%s\n"),
- gc_urgent,
-- sb->s_dirt ? "dirty" : "clean",
-+ yaffs_sb_is_dirty(sb) ? "dirty" : "clean",
- request_checkpoint ? "checkpoint requested" : "no checkpoint",
- oneshot_checkpoint ? " one-shot" : "" ));
-
-@@ -2349,9 +2429,9 @@ static int yaffs_do_sync_fs(struct super
- oneshot_checkpoint) &&
- !dev->is_checkpointed;
-
-- if (sb->s_dirt || do_checkpoint) {
-+ if (yaffs_sb_is_dirty(sb) || do_checkpoint) {
- yaffs_flush_super(sb, !dev->is_checkpointed && do_checkpoint);
-- sb->s_dirt = 0;
-+ yaffs_sb_set_dirty(sb, 0);
- if(oneshot_checkpoint)
- yaffs_auto_checkpoint &= ~4;
- }
-@@ -2627,6 +2707,8 @@ static void yaffs_put_super(struct super
-
- yaffs_flush_super(sb,1);
-
-+ yaffs_cancel_sb_sync_dwork(sb);
-+
- if (yaffs_dev_to_lc(dev)->putSuperFunc)
- yaffs_dev_to_lc(dev)->putSuperFunc(sb);
-
-@@ -2665,7 +2747,7 @@ static void yaffs_touch_super(yaffs_dev_
-
- T(YAFFS_TRACE_OS, (TSTR("yaffs_touch_super() sb = %p\n"), sb));
- if (sb)
-- sb->s_dirt = 1;
-+ yaffs_sb_set_dirty(sb, 1);
- }
-
- typedef struct {
-@@ -2991,6 +3073,8 @@ static struct super_block *yaffs_interna
- context->dev = dev;
- context->superBlock = sb;
-
-+ yaffs_init_sb_sync_dwork(context);
-+
- dev->read_only = read_only;
-
- #if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
-@@ -3177,7 +3261,7 @@ static struct super_block *yaffs_interna
- return NULL;
- }
- sb->s_root = root;
-- sb->s_dirt = !dev->is_checkpointed;
-+ yaffs_sb_set_dirty(sb, !dev->is_checkpointed);
- T(YAFFS_TRACE_ALWAYS,
- (TSTR("yaffs_read_super: is_checkpointed %d\n"),
- dev->is_checkpointed));
---- a/fs/yaffs2/yaffs_linux.h
-+++ b/fs/yaffs2/yaffs_linux.h
-@@ -34,6 +34,11 @@ struct yaffs_LinuxContext {
-
- struct task_struct *readdirProcess;
- unsigned mount_id;
-+
-+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 6, 0))
-+ struct delayed_work sb_sync_dwork; /* superblock write-out work */
-+ int sb_dirty; /* superblock is dirty */
-+#endif
- };
-
- #define yaffs_dev_to_lc(dev) ((struct yaffs_LinuxContext *)((dev)->os_context))
---- a/fs/yaffs2/yportenv.h
-+++ b/fs/yaffs2/yportenv.h
-@@ -49,6 +49,9 @@
- #include <linux/slab.h>
- #include <linux/vmalloc.h>
- #include <linux/xattr.h>
-+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 6, 0))
-+#include <linux/workqueue.h>
-+#endif
-
- #define YCHAR char
- #define YUCHAR unsigned char
projects / openwrt.git / blobdiff